I have same problem with Matlab 2013 in Ubuntu 14.04. When I try fnd info from serial port, it is live,
JarFileVersion: 'Version 3.3'
but, when I connect it with arduino (using ArduinoIO package),
Attempting connection ...
Warning: Unsuccessful read: A timeout occurred before the Terminator was reached.
Error using arduino (line 104)
Connection unsuccessful, please make sure that the board is powered on, running a
sketch provided with the package, and connected to the indicated serial port. You
might also try to unplug and re-plug the USB cable before attempting a
Any idea? I guess the error from ArduioIO package